One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9,6,3,7,11)(4,8,13,15,12,10,14,16)(17,18)(19,29)(20,26)(21,28)(22,27)(23,25)(24,31)(30,43)(32,42)(33,39)(34,41)(35,40)(36,37)(38,46)(44,48)(45,47)(17,19,23,32)(18,24,25,37)(20,30,33,44)(21,31,22,36)(26,38,39,47)(27,29,28,42)(34,45,35,46)(40,48,41,43)(1,3,5,11,6,2,7,9)(4,10,13,16,12,8,14,15)(18,25)(20,33)(24,37)(27,28)(29,42)(30,44)(34,35)(45,46)(1,4)(2,8)(3,10)(5,13)(6,12)(7,14)(9,15)(11,16)(17,20)(18,26)(19,30)(21,35)(22,34)(23,33)(24,38)(25,39)(27,41)(28,40)(29,43)(31,46)(32,44)(36,45)(37,47)(42,48) involution — undirected(4,12)(8,10)(13,14)(15,16)(17,21,23,22)(18,27,25,28)(19,31,32,36)(20,34,33,35)(24,29,37,42)(26,40,39,41)(30,45,44,46)(38,48,47,43)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.